People have planted a great many trees in order to hold back wind and sand in the desert.
为了阻挡沙漠中的风沙，人们种了很多树。
Sediment as you know, is material like sand, gravel, fossil fragments that is transported by natural processes like wind, water flow or the movement of glaciers.
如你所知，沉积物是通过风、水流或冰川运动等自然过程输送的物质，如沙子、砾石、化石碎片等。
The wind blew in from the desert and covered everything with sand.
风从沙漠那边吹来，把一切都蒙上了一层沙子。
The wind blew the sand into our eyes.
沙子吹进了我们的眼睛。
Wind, sand and tourists are eroding them.
风、沙和游客正在不断地在侵蚀它们。
Different types of sand, topography, wind and climate combine to form a tremendous variety of landscapes.
不同类型的沙、地形、风向和气候相结合，形成了各种巨大的奇异景观。
Now we could see the grey sand of a beach, and the spare white limbs of trees on the foreshore, gaunt survivors of the desiccating effects of wind and sun.
现在我们可以看见灰色的沙滩，还有湖边白色的树干，在阳光暴晒和风吹双重催干作用下幸存下来，尽管已经瘦弱不堪。
If you consider how much sand can be moved in a short period of time by wind, this is a big deal.
如果要说短时间内被风搬运来的沙子有多少，这里就有很多。
First there is the energy required to power giant wind machines all day long, not to mention the electricity needed to pump coolant around tubes laid under the sand.
首先，这需要一整天启动风机制冷，更不要说还要大量电力在沙子下通过管道泵送制冷剂。
Children squint as wind whips the grey sand into their faces.
当一阵狂风吹得沙土飞扬的时候，孩子们不由自主地眯起双眼。
If the wind changes and pushes the slick west towards Texas's beaches, that might be manageable. It could be removed later by scraping up the top layer of sand.
如果风向改变并将浮油向西吹向德州的海滩，局势是可以控制的。
Lights perched that high can easily blow over, so when the wind picked up, Barisonzi weighted her stands with sand bags and had an assistant spot the higher stand on the left.
灯头的位置太高，灯架就容易被风刮倒，因此当有风的时候，Barisonzi会用沙袋增加灯架的重量，还会让助手在灯架左侧扶着更高的灯架。
This image shows part of a polar crater that still holds on to some summer ice, as well as beautiful sand dunes sculpted by the wind.
这张照片展示了某个极地陨坑，陨坑中还保存着一些夏季冰的痕迹，在风的作用下形成了一些美丽的沙丘。
As the sand melts Prof Reid said that the rocks were moved along by the ice and wind forming the incredible patterns.
里德教授表示，由于沙子的柔软性，在风力和冰块作用下发生移动的岩石便留下了不可思议的痕迹。
After I climbed on to the sand dune in the light rain and gusty wind, the rain stopped and sun peeked out.
在细雨和刮风中，我爬上了沙丘，之后，雨停了，而且太阳悄悄地露出来了。
This crescent-shaped ridge of sand dune in Oman was formed by strong trade winds that form a smooth hill facing the wind (left) and concave slipface on the back.
阿曼一座新月形的沙丘脊由强信风吹成，在迎风的方向（图左侧）形成一面平缓的凸破，在背风面形成凹坡。
Like a sand dune, the pavilion appears smooth on the side that bears the full force of the wind and rough and textured on the other side.
和沙丘一样，阿联酋馆的一面看起来很光滑，可以承受巨大的风力，而另一面则相对粗糙。
The lines of wind-sculpted sand are characteristic of immense sand deserts, or sand seas, and the Rub' al Khali is the largest desert of this type in the world.
在一些广袤的沙漠或沙海里常常有这种被风雕刻的痕迹，而鲁卜哈利沙漠是这类沙漠中面积最大的。
The wind-blown sand forms natural speed bumps along the route. Where the road meets the sea, construction has begun.
风起沙扬，以自然的速度撞击着小路向前，至沙海之交，建设进行着。
We travelled north to Tillaberi, a rolling landscape of sand, wind-blown dust, and sparsely scattered bushes and trees, seemingly in the very last stages of desiccation.
我们一直向北到了提拉贝里，那里是一片荒凉—飞沙，飞尘还有稀疏的树木，看起来也即将要干枯了。
The wind booms down the curved length of the trailer and under its roaring passage he can hear the scratching of fine gravel and sand.
风沿着拖车的轮廓呼啸着打转，他都能听到沙砾在风中发出刮擦声。
They also found evidence that wind gusts in the northern polar region are strong enough to move grains of sand.
他们也发现北极地区的阵风有足够力量移动沙丘的证据。
Wind howls, wind in my hair, with sand flying into my eyes, my vision blurred, and you are so lost in my eye at the end.
风，呼啸而过，吹散了我的头发，有沙子飞入我的眼睛，我的视线模糊，而你就这样消失在我视线的尽头。
We are alone, in the silence, only the hiss of the wind on the sand.
我们各自在那儿，沉默着，只有风吹在沙子上的嘶嘶声。
And these measurements can effectively reduce and prevent the occurrence of wind and sand damage.
这些措施能有效地减小和防止风沙灾害的发生。
An emigre returning after several years away says a gentle change is blowing across the country, like the wind that deposits black sand from the Karakum desert over Niyazov's white marble capital.
一个离开几年的流亡者回来说，温和的改变正在发生，就象是风把卡拉库姆沙漠的黑色的沙吹到niyazov的白色大理石首都。
Two hundred miles east of Ashkhabad, where the soil shelved into ridges of scrub-speckled sand, a harsh wind sprang up.
在阿什哈巴德以东200英里处，土地变成了长有稀松灌木的梯形沙地，狂风即时而起。
25Chinese women lay straw in a grid to prevent the sand from drifting in the wind in the desert of Baijitan Conservation Area near Yinchuan, Ningxia Hui Autonomous Region on July 17, 2010.
2010年7月17日，宁夏银川附近的白芨滩自然保护区的沙漠中，一名妇女正在将草植成网状，以防止沙子随风而起。
25Chinese women lay straw in a grid to prevent the sand from drifting in the wind in the desert of Baijitan Conservation Area near Yinchuan, Ningxia Hui Autonomous Region on July 17, 2010.
2010年7月17日，宁夏银川附近的白芨滩自然保护区的沙漠中，一名妇女正在将草植成网状，以防止沙子随风而起。
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